Cheap And Discounts Autonics TX4LTX4S-14R TX4S-24R TX4S-14S Temperature Controller thermocouple RTD PT100 Analog input Relay SSR 4-20mA output Wholesale. Buy Directly From Merchant WS Temperature Sensor Controller Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.